A virtual current of `4A` and `50Hz` flows in an `AC` circuit contaning a coil. The power consumed in the coil is `240W`.If the virtual voltage across the coil is 100v then its inductance will be
A. `1/(3pi) H`
B. `1/(5 pi) H`
C. `1/(7 pi) H`
D. `1/(9 pi) H`